Top "8051" questions

The 8051 is a Harvard architecture, single chip microcontroller (µC) which was developed by Intel in 1980 for use in embedded systems.

ADDC versus ADD

I'm trying to figure out the difference between ADDC and ADD instructions for 8051 microcontrollers. Description: ADD and ADDC both add …

assembly 8051
How can I send a string serially from an 8051 only ONCE?

I am making an 8051 microcontroller communicate wirelessly with a computer. The microcontroller will send a string to its serial port (…

c embedded serial-port microcontroller 8051
need help configuring port to input in 8051

The connection is as follows An infrared sensor circuit which yields 0 or 5v depending on closed or open circuit output …

c 8051 keil
How to configure 8051 pins as input/output?

In pic microcontroller TRIS register determines whether port would act as input or output and PORT register would determine the …

input output microcontroller pic 8051
8051 external interrupt

how to enable external interrupt of 8051?

c interrupt 8051
What is the difference between AT89C51 and AT89S51?

How do you connect these to your computer? Which one would be easier to burn?

embedded 8051
Compare bits in assembly

How can I compare two bits if they are equal or not in 8051? I need to jump if two bits …

assembly 8051 microprocessors